fix(deps): update dependency next to v15 [security]

Author: renovate[bot]

packages/documentation/package.json

@@ -12,7 +12,7 @@
     "@radix-ui/react-tabs": "^1.1.0",
     "@tidbcloud/uikit": "workspace:*",
     "ahooks": "^3.7.8",
-    "next": "^14.2.3",
+    "next": "^15.0.0",
     "nextra": "^2.13.4",
     "nextra-theme-docs": "^2.13.4",
     "react": "^18.2.0",